--- product_id: 731937836 title: "Permatex 27038 Optimum Red High Temperature Gasket Maker, 3.4 oz" brand: "permatex" price: "494 DH" currency: MAD in_stock: true reviews_count: 5 url: https://www.desertcart.ma/products/731937836-permatex-27038-optimum-red-high-temperature-gasket-maker-3-4 store_origin: MA region: Morocco --- # Resists aging, cracking & shrinking over time Withstands up to 1000°F intermittent heat OEM spec, sensor-safe silicone formula Permatex 27038 Optimum Red High Temperature Gasket Maker, 3.4 oz **Brand:** permatex **Price:** 494 DH **Availability:** ✅ In Stock ## Summary > 🔥 Seal the deal with the ultimate high-temp gasket maker! ## Quick Answers - **What is this?** Permatex 27038 Optimum Red High Temperature Gasket Maker, 3.4 oz by permatex - **How much does it cost?** 494 DH with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ma](https://www.desertcart.ma/products/731937836-permatex-27038-optimum-red-high-temperature-gasket-maker-3-4) ## Best For - permatex enthusiasts ## Why This Product - Trusted permatex brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Versatile Application:** Perfect for headers, manifolds, slip-fit exhausts, and turbochargers—one product, multiple uses - • **Sensor-Safe & Low Odor:** OEM spec silicone that’s safe for sensitive engine sensors and easy to work with - • **Extreme Heat Resistance:** Handles intermittent temps up to 1000°F (399°C) without fail - • **Trusted Industry Leader:** Permatex’s top-rated gasket maker with 4.7-star reviews and proven performance - • **Professional Grade Durability:** Formulated to resist aging, weathering, and heat cycles—no cracking or shrinking ## Overview Permatex 27038 Optimum Red is a premium high-temperature silicone gasket maker designed for professional mechanics and serious DIYers. It withstands intermittent heat up to 1000°F (399°C), resists aging and cracking, and meets OEM specifications including sensor safety. Ideal for headers, manifolds, exhausts, and turbochargers, this low-odor, non-corrosive formula ensures a reliable, long-lasting seal under extreme conditions. ## Description Permatex Optimum Red is the manufacturer of advanced maximum performance, highest temperature RTV gaskets. Resists aging, weathering and heat cycles without hardening, shrinking or cracking. The premium professional gasket maker for today's fast-paced heavy do-it-yourself enthusiasts and professional mechanics seeks the best temperature solution to withstand intermittently extreme temperatures up to 1000°F (399°C) ## Features - Maximum temperature performance - OEM specs, sensor safe, low odor, non-corrosive - Non-flammable, non-toxic - Can be used as gasket maker or dressing, meets OE silicone gasket performance specifications - Main Use: Header, Manifold, Slip-Fit Exhaust, Turbocharge, Intermittent up to 88°F (399°C) ## Technical Specifications | Specification | Value | |---------------|-------| | Amazon Bestseller | #1,070,597 in Automotive (See Top 100 in Automotive) #3,586 in Powersports Engine Gaskets #9,429 in Oils & Fluids | | Asin | B08CRYCZ91 | | Brand Name | Permatex | | Color | Optimum Red | | Customer Reviews | 4.7 4.7 out of 5 stars (401) 4.7 out of 5 stars | | Eu Spare Part Availability Duration | 5 Years | | Included Components | Best Red High Temperature Gasket Maker | | Item Thickness | 0.2 Inches | | Manufacturer | Permatex | | Material Type | Silicone | | Model | 27038 | | Number Of Items | 1 | | Number Of Packs | 1 | | Part Number | 27038 | | Unit Count | 1.0 Count | | Upc | 686226987631 686226270382 | | Upper Temperature Rating | 750 Degrees Fahrenheit | ## Product Details - **Brand:** Permatex - **Material:** Silicone - **Item Thickness:** 0.2 Inches - **Color:** Optimum Red - **EU Spare Part Availability Duration:** 5 Years ## Images ![Permatex 27038 Optimum Red High Temperature Gasket Maker, 3.4 oz - Image 1](https://m.media-amazon.com/images/I/813a9mGj4BL.jpg) ![Permatex 27038 Optimum Red High Temperature Gasket Maker, 3.4 oz - Image 2](https://m.media-amazon.com/images/I/71vtP-BsvPL.jpg) ![Permatex 27038 Optimum Red High Temperature Gasket Maker, 3.4 oz - Image 3](https://m.media-amazon.com/images/I/81rmO7DIPTL.jpg) ![Permatex 27038 Optimum Red High Temperature Gasket Maker, 3.4 oz - Image 4](https://m.media-amazon.com/images/I/61xgYJAMY8L.jpg) ![Permatex 27038 Optimum Red High Temperature Gasket Maker, 3.4 oz - Image 5](https://m.media-amazon.com/images/I/61gTmL5sopL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Permanent high temp red *by on Reviewed in the United States July 11, 2026* Does a super job. No complaints ### ⭐⭐⭐⭐⭐ Great product simple to use *by on Reviewed in the United Kingdom July 17, 2025* I recently used the Permatex 27038 Optimum Red RTV Silicone to install my intake manifold, and I’m incredibly impressed with its performance! This silicone sealant was very simple to use, applying smoothly and evenly without any mess. It formed a strong, reliable seal that held up perfectly under high temperatures and pressure, ensuring my intake manifold installation was rock-solid. The product lived up to its promises, providing excellent adhesion and durability. I highly recommend this RTV silicone for any automotive sealing needs! ### ⭐⭐⭐⭐⭐ All good. *by on Reviewed in the United Kingdom June 9, 2025* All good 👍 ## Frequently Bought Together - Permatex 27038 Optimum Red High Temperature Gasket Maker, 3 oz - Permatex 85080 Ultra Black Maximum Oil Resistance RTV Silicone Gasket Maker, Sensor Safe And Non-Corrosive, For High Flex And Oil Resistant Applications 9.5 oz - Permatex 81878 Ultra Copper Maximum Temperature RTV Silicone Gasket Maker, 3 oz. Tube --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.ma/products/731937836-permatex-27038-optimum-red-high-temperature-gasket-maker-3-4](https://www.desertcart.ma/products/731937836-permatex-27038-optimum-red-high-temperature-gasket-maker-3-4) --- *Product available on Desertcart Morocco* *Store origin: MA* *Last updated: 2026-10-01*